[llvm] r233694 - Expand MUX instructions early on Hexagon
Krzysztof Parzyszek
kparzysz at codeaurora.org
Tue Mar 31 06:29:18 PDT 2015
Author: kparzysz
Date: Tue Mar 31 08:29:17 2015
New Revision: 233694
URL: http://llvm.org/viewvc/llvm-project?rev=233694&view=rev
Log:
Expand MUX instructions early on Hexagon
Modified:
llvm/trunk/lib/Target/Hexagon/CMakeLists.txt
llvm/trunk/lib/Target/Hexagon/HexagonInstrInfo.cpp
llvm/trunk/lib/Target/Hexagon/HexagonInstrInfo.h
llvm/trunk/lib/Target/Hexagon/HexagonTargetMachine.cpp
llvm/trunk/test/CodeGen/Hexagon/adde.ll
llvm/trunk/test/CodeGen/Hexagon/sube.ll
llvm/trunk/test/MC/Hexagon/inst_select.ll
Modified: llvm/trunk/lib/Target/Hexagon/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/CMakeLists.txt?rev=233694&r1=233693&r2=233694&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/CMakeLists.txt (original)
+++ llvm/trunk/lib/Target/Hexagon/CMakeLists.txt Tue Mar 31 08:29:17 2015
@@ -15,6 +15,7 @@ add_llvm_target(HexagonCodeGen
HexagonAsmPrinter.cpp
HexagonCFGOptimizer.cpp
HexagonCopyToCombine.cpp
+ HexagonExpandCondsets.cpp
HexagonExpandPredSpillCode.cpp
HexagonFixupHwLoops.cpp
HexagonFrameLowering.cpp
Modified: llvm/trunk/lib/Target/Hexagon/HexagonInstrInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/HexagonInstrInfo.cpp?rev=233694&r1=233693&r2=233694&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/HexagonInstrInfo.cpp (original)
+++ llvm/trunk/lib/Target/Hexagon/HexagonInstrInfo.cpp Tue Mar 31 08:29:17 2015
@@ -845,8 +845,7 @@ bool HexagonInstrInfo::isNewValueStore(u
return ((F >> HexagonII::NVStorePos) & HexagonII::NVStoreMask);
}
-int HexagonInstrInfo::
-getMatchingCondBranchOpcode(int Opc, bool invertPredicate) const {
+int HexagonInstrInfo::getCondOpcode(int Opc, bool invertPredicate) const {
enum Hexagon::PredSense inPredSense;
inPredSense = invertPredicate ? Hexagon::PredSense_false :
Hexagon::PredSense_true;
@@ -884,7 +883,7 @@ PredicateInstruction(MachineInstr *MI,
// This will change MI's opcode to its predicate version.
// However, its operand list is still the old one, i.e. the
// non-predicate one.
- MI->setDesc(get(getMatchingCondBranchOpcode(Opc, invertJump)));
+ MI->setDesc(get(getCondOpcode(Opc, invertJump)));
int oper = -1;
unsigned int GAIdx = 0;
Modified: llvm/trunk/lib/Target/Hexagon/HexagonInstrInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/HexagonInstrInfo.h?rev=233694&r1=233693&r2=233694&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/HexagonInstrInfo.h (original)
+++ llvm/trunk/lib/Target/Hexagon/HexagonInstrInfo.h Tue Mar 31 08:29:17 2015
@@ -216,9 +216,7 @@ public:
short getNonExtOpcode(const MachineInstr *MI) const;
bool PredOpcodeHasJMP_c(Opcode_t Opcode) const;
bool PredOpcodeHasNot(Opcode_t Opcode) const;
-
-private:
- int getMatchingCondBranchOpcode(int Opc, bool sense) const;
+ int getCondOpcode(int Opc, bool sense) const;
};
Modified: llvm/trunk/lib/Target/Hexagon/HexagonTargetMachine.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/HexagonTargetMachine.cpp?rev=233694&r1=233693&r2=233694&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/HexagonTargetMachine.cpp (original)
+++ llvm/trunk/lib/Target/Hexagon/HexagonTargetMachine.cpp Tue Mar 31 08:29:17 2015
@@ -27,11 +27,15 @@
using namespace llvm;
static cl:: opt<bool> DisableHardwareLoops("disable-hexagon-hwloops",
- cl::Hidden, cl::desc("Disable Hardware Loops for Hexagon target"));
+ cl::Hidden, cl::desc("Disable Hardware Loops for Hexagon target"));
static cl::opt<bool> DisableHexagonCFGOpt("disable-hexagon-cfgopt",
- cl::Hidden, cl::ZeroOrMore, cl::init(false),
- cl::desc("Disable Hexagon CFG Optimization"));
+ cl::Hidden, cl::ZeroOrMore, cl::init(false),
+ cl::desc("Disable Hexagon CFG Optimization"));
+
+static cl::opt<bool> EnableExpandCondsets("hexagon-expand-condsets",
+ cl::init(true), cl::Hidden, cl::ZeroOrMore,
+ cl::desc("Early expansion of MUX"));
/// HexagonTargetMachineModule - Note that this is used on hosts that
@@ -55,6 +59,10 @@ static MachineSchedRegistry
SchedCustomRegistry("hexagon", "Run Hexagon's custom scheduler",
createVLIWMachineSched);
+namespace llvm {
+ FunctionPass *createHexagonExpandCondsets();
+}
+
/// HexagonTargetMachine ctor - Create an ILP32 architecture model.
///
@@ -79,7 +87,15 @@ namespace {
class HexagonPassConfig : public TargetPassConfig {
public:
HexagonPassConfig(HexagonTargetMachine *TM, PassManagerBase &PM)
- : TargetPassConfig(TM, PM) {}
+ : TargetPassConfig(TM, PM) {
+ bool NoOpt = (TM->getOptLevel() == CodeGenOpt::None);
+ if (!NoOpt) {
+ if (EnableExpandCondsets) {
+ Pass *Exp = createHexagonExpandCondsets();
+ insertPass(&RegisterCoalescerID, IdentifyingPassPtr(Exp));
+ }
+ }
+ }
HexagonTargetMachine &getHexagonTargetMachine() const {
return getTM<HexagonTargetMachine>();
Modified: llvm/trunk/test/CodeGen/Hexagon/adde.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Hexagon/adde.ll?rev=233694&r1=233693&r2=233694&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/Hexagon/adde.ll (original)
+++ llvm/trunk/test/CodeGen/Hexagon/adde.ll Tue Mar 31 08:29:17 2015
@@ -1,4 +1,4 @@
-; RUN: llc -march=hexagon < %s | FileCheck %s
+; RUN: llc -march=hexagon -hexagon-expand-condsets=0 < %s | FileCheck %s
; CHECK: r{{[0-9]+:[0-9]+}} = #0
; CHECK: r{{[0-9]+:[0-9]+}} = #1
Modified: llvm/trunk/test/CodeGen/Hexagon/sube.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Hexagon/sube.ll?rev=233694&r1=233693&r2=233694&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/Hexagon/sube.ll (original)
+++ llvm/trunk/test/CodeGen/Hexagon/sube.ll Tue Mar 31 08:29:17 2015
@@ -1,4 +1,4 @@
-; RUN: llc -march=hexagon < %s | FileCheck %s
+; RUN: llc -march=hexagon -hexagon-expand-condsets=0 < %s | FileCheck %s
; CHECK: r{{[0-9]+:[0-9]+}} = #0
; CHECK: r{{[0-9]+:[0-9]+}} = #1
Modified: llvm/trunk/test/MC/Hexagon/inst_select.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Hexagon/inst_select.ll?rev=233694&r1=233693&r2=233694&view=diff
==============================================================================
--- llvm/trunk/test/MC/Hexagon/inst_select.ll (original)
+++ llvm/trunk/test/MC/Hexagon/inst_select.ll Tue Mar 31 08:29:17 2015
@@ -7,4 +7,4 @@ define i32 @foo (i1 %a, i32 %b, i32 %c)
ret i32 %1
}
-; CHECK: 0000 00400085 004201f4 00c09f52
+; CHECK: 0000 00400085 00600174 00608274 00c09f52
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